Re: Proposed response to the 3GPP Liaison Statement
"Martin Thomson" <mt@lowentropy.net> Thu, 31 October 2019 01:14 UTC
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Date: Thu, 31 Oct 2019 12:13:48 +1100
From: Martin Thomson <mt@lowentropy.net>
To: quic@ietf.org
Subject: Re: Proposed response to the 3GPP Liaison Statement
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https://tools.ietf.org/html/draft-iab-path-signals-03 seems like it might be a helpful supporting document. On Thu, Oct 31, 2019, at 12:09, Mark Nottingham wrote: > QUIC WG participants, > > Lars and I have discussed a response to this statement and plan on > sending the message below. If you have comments, please respond to this > e-mail by 6 November. > > Regards, > > ~~~ > Thank you for your input to our specifications. > > Regarding the encryption of headers in addition to payload, this was a > conscious design decision by the Working Group. Transport header > encryption prevents modification by middleboxes, thereby avoiding > ossification of the protocol, and also makes traffic analysis more > difficult. The impact upon network operators was discussed extensively > as part of that decision. > > Regarding the spin bit, we believe that your characterisation is correct. > > Regarding packet loss measurements, QUIC does support them, but only by > the endpoints of communication -- not by third parties observing it. > Keys may be exported by one of the endpoints to allow decoding of > packet traces (e.g., with Wireshark), but that is not part of the QUIC > standard. > > Regarding performance analysis, it would be helpful if you described > your use case in more detail. However, it's important to know that the > Working Group decided early on that QUICv1 would focus on the use case > of HTTP/3. > > In turn, HTTP standardisation focuses primarily on the Web browsing use > case; while we acknowledge that there are other uses of the protocol, > and we accommodate them where possible, we cannot change the protocol > in ways that harms that use. Exposing transport metadata would likely > do so. > > Kind regards, > > Mark Nottingham and Lars Eggert, QUIC Working Group chairs > ~~~ > >
- Proposed response to the 3GPP Liaison Statement Mark Nottingham
- Re: Proposed response to the 3GPP Liaison Stateme… Martin Thomson
- Re: Proposed response to the 3GPP Liaison Stateme… Ted Hardie
- RE: Proposed response to the 3GPP Liaison Stateme… Lubashev, Igor
- Re: Proposed response to the 3GPP Liaison Stateme… David Schinazi
- Re: Proposed response to the 3GPP Liaison Stateme… Martin Thomson
- Re: Proposed response to the 3GPP Liaison Stateme… Salz, Rich
- Re: Proposed response to the 3GPP Liaison Stateme… Jana Iyengar
- RE: Proposed response to the 3GPP Liaison Stateme… Flinck, Hannu (Nokia - FI/Espoo)
- Re: Proposed response to the 3GPP Liaison Stateme… Jana Iyengar